Virginia Secondary State Route 683 is a short north-south highway in Eastern Smyth County. It conects U.S. Rt. 11 to Interstate 81. VA Sec St Rt 683 does not pass through any towns in Smyth County. VA Sec St Rt 683 is not multi-plexed in Smyth County. VA Sec St Rt 683 intersects the following highways in Smyth County. U.S. Rt. 11, near Atkins. Interstate 81, near Atkins.